THEIR NEWEST AND GREATEST ADVENTURE! (original poster-all caps)
As Startling as a Scream in the Night!
A Clock that strikes "13"! A Raven with a bloody beak! Murder-by a chess game! THE MYSTERY-WIZARDS AT THEIR GREATEST! (Print Ad- Calgary Herald, ((Calgary, Alta.)) 25 November 1943)
A RAVEN WITH A BLOODY BEAK! MURDER-BY CHESS GAME! (Print Ad-Syracuse Herald-Journal, ((Syracuse, NY)) 24 November 1943)